> 数学 >
计算:1001×5
3
13
+198÷198
198
199
+1
1
200
=______.
人气:261 ℃ 时间:2019-12-11 09:53:23
解答

1001×5
3
13
+198÷198
198
199
+1
1
200

=1001×(5+
3
13
)+198÷(198+
198
199
)+1
1
200

=1001×5+1001×
3
13
+198÷[198×(1+
1
199
)]+1
1
200

=5005+231+198÷198÷
200
199
+1
1
200

=5236+1×
199
200
+1
1
200

=5236+(
199
200
+1
1
200
),
=5236+2,
=5238.
故答案为:5238.
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